<script setup lang="ts">
import router from '@/router'
import {
  createConsultOrder,
  getConsultOrderPayUrl,
  getConsultOrderPre
} from '@/services/consult'
import { getPatientDetail } from '@/services/user'
import { useConsultStore } from '@/stores'
import type { ConsultOrderPreData, PartialConsult } from '@/types/consult'
import type { Patient } from '@/types/user'
import {
  showConfirmDialog,
  showDialog,
  showToast,
  showLoadingToast
} from 'vant'
import { onMounted, ref } from 'vue'
import { onBeforeRouteLeave } from 'vue-router'

const store = useConsultStore()

// 获取支付信息
const payInfo = ref<ConsultOrderPreData>()
const loadData = async () => {
  const res = await getConsultOrderPre({
    type: store.consult.type,
    illnessType: store.consult.illnessType
  })
  payInfo.value = res.data
  // 设置默认优惠券
  store.setCoupon(payInfo.value.couponId)
}

// 获取患者信息
const patient = ref<Patient>()
const loadPatient = async () => {
  if (!store.consult.patientId) return
  const res = await getPatientDetail(store.consult.patientId)
  patient.value = res.data
}

type Key = keyof PartialConsult
onMounted(() => {
  // 刷新页面，数据丢失，关闭后提示
  const validKeys: Key[] = [
    'type',
    'illnessType',
    'depId',
    'illnessDesc',
    'illnessTime',
    'consultFlag',
    'patientId'
  ]
  const valid = validKeys.every((key) => store.consult[key] !== undefined)
  if (!valid) {
    return showDialog({
      title: '温馨提示',
      message:
        '问诊信息不完整请重新填写，如有未支付的问诊订单可在问诊记录中继续支付！',
      closeOnPopstate: false
    }).then(() => {
      router.push('/')
    })
  }

  loadData()
  loadPatient()
})

// 选项支付抽屉
const agree = ref(false)
const show = ref(false)
const loading = ref(false)
const paymentMethod = ref<0 | 1>()
const orderId = ref('')
const onSubmit = async () => {
  if (!agree.value) return showToast('请勾选我已同意支付协议')
  // 生成订单ID
  loading.value = true
  const res = await createConsultOrder(store.consult)
  orderId.value = res.data.id
  loading.value = false
  // 清空所有问诊信息
  store.clear()
  // 打开支付选项
  show.value = true
}

// 生成订单后不可回退
onBeforeRouteLeave(() => {
  if (orderId.value) return false
})

// 关闭支付选项弹窗
const onClose = () => {
  return showConfirmDialog({
    title: '关闭支付',
    message: '取消支付将无法获得医生回复，医生接诊名额有限，是否确认关闭？',
    cancelButtonText: '仍要关闭',
    confirmButtonText: '继续支付'
  })
    .then(() => {
      // 继续支付
      show.value = true
      return false
    })
    .catch(() => {
      // 仍要关闭
      orderId.value = ''
      router.push('/user/consult')
      return true
    })
}

// 跳转支付
const pay = async () => {
  if (paymentMethod.value === undefined) return showToast('请选择支付方式')
  showLoadingToast({ message: '跳转支付', duration: 0 })
  const res = await getConsultOrderPayUrl({
    orderId: orderId.value,
    paymentMethod: paymentMethod.value,
    payCallback: 'http://localhost:5173/room'
  })
  window.location.href = res.data.payUrl
}
</script>

<template>
  <div class="consult-pay-page" v-if="payInfo && patient">
    <!-- 导航 -->
    <cp-nav-bar title="支付" />
    <!-- 患者信息 -->
    <div class="pay-info">
      <p class="tit">图文问诊 {{ payInfo.payment }} 元</p>
      <img class="img" src="@/assets/avatar-doctor.svg" />
      <p class="desc">
        <span>极速问诊</span>
        <span>自动分配医生</span>
      </p>
    </div>
    <!-- 信息栏1 -->
    <van-cell-group>
      <van-cell title="优惠券" :value="`-¥${payInfo.couponDeduction}`" />
      <van-cell title="积分抵扣" :value="`-¥${payInfo.pointDeduction}`" />
      <van-cell
        title="实付款"
        :value="`¥${payInfo.actualPayment}`"
        class="pay-price"
      />
    </van-cell-group>
    <!-- 间隔栏 -->
    <div class="pay-space"></div>
    <!-- 信息栏2 -->
    <van-cell-group>
      <van-cell
        title="患者信息"
        :value="`${patient.name} | ${patient.genderValue} | ${patient.age}岁`"
      />
      <van-cell title="病情描述" :label="store.consult.illnessDesc" />
    </van-cell-group>
    <!-- 同意栏 -->
    <div class="pay-schema">
      <van-checkbox v-model="agree">
        我已同意 <span class="text">支付协议</span>
      </van-checkbox>
    </div>
    <!-- 底部栏 -->
    <van-submit-bar
      button-type="primary"
      :price="payInfo.actualPayment * 100"
      button-text="立即支付"
      text-align="left"
      :loading="loading"
      @submit="onSubmit"
    />
    <!-- 选项支付抽屉 -->
    <van-action-sheet
      v-model:show="show"
      title="选择支付方式"
      :close-on-popstate="false"
      :closeable="false"
      @close="onClose"
    >
      <div class="pay-type">
        <p class="amount">￥{{ payInfo.actualPayment.toFixed(2) }}</p>
        <van-cell-group>
          <van-cell title="微信支付" @click="paymentMethod = 0">
            <template #icon><cp-icon name="consult-wechat" /></template>
            <template #extra>
              <van-checkbox :checked="paymentMethod === 0" />
            </template>
          </van-cell>
          <van-cell title="支付宝支付" @click="paymentMethod = 1">
            <template #icon><cp-icon name="consult-alipay" /></template>
            <template #extra>
              <van-checkbox :checked="paymentMethod === 1" />
            </template>
          </van-cell>
        </van-cell-group>
        <div class="btn">
          <van-button type="primary" round block @click="pay">
            立即支付
          </van-button>
        </div>
      </div>
    </van-action-sheet>
  </div>
</template>

<style lang="scss" scoped>
.consult-pay-page {
  padding: 46px 0 50px 0;
  .pay-info {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    padding: 15px;
    .tit {
      width: 100%;
      font-size: 16px;
      margin-bottom: 10px;
    }
    .img {
      width: 38px;
      height: 38px;
      border-radius: 4px;
      margin-right: 10px;
      overflow: hidden;
    }
    .desc {
      flex: 1;
      > span {
        display: block;
        color: var(--cp-tag);
        &:first-child {
          font-size: 16px;
          color: var(--cp-text2);
        }
      }
    }
  }
  .pay-price {
    ::v-deep() {
      .vam-cell__title {
        font-size: 16px;
      }
      .van-cell__value {
        font-size: 16px;
        color: var(--cp-price);
      }
    }
  }
  .pay-space {
    height: 12px;
    background-color: var(--cp-bg);
  }
  .pay-schema {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 56px;
    .text {
      color: var(--cp-primary);
    }
  }
  ::v-deep() {
    .van-submit-bar__button {
      font-weight: normal;
      width: 160px;
    }
  }
  // 支付选项
  .pay-type {
    .amount {
      padding: 20px;
      text-align: center;
      font-size: 16px;
      font-weight: bold;
    }
    .btn {
      padding: 15px;
    }
    .van-cell {
      align-items: center;
      .cp-icon {
        margin-right: 10px;
        font-size: 18px;
      }
      .van-checkbox :deep(.van-checkbox__icon) {
        font-size: 16px;
      }
    }
  }
}
</style>
